Sanyo DC-X8CT Service Manual page 18

IC BLOCK DIAGRAM & DESCRIPTION
IC601 M38B57MCH-A269FP (8-bit Microcomputer)
No. Pin Name
1 P75/AN05
2 P74/AN04
3 P73/AN03
4 P72/AN02
5 P71/AN01
6 P70/AN00
7 P61/CNTR0/CNTR2
8 P60/CNTR1
9 P47/INT2
10 RESET
11 P91/Xcout
12 P90/Xcin
13 Vss
14 Xin
15 Xout
16 Vcc
17 P46/T3out
18 P45/T1out
19 P44/PWM1
20 P43/Buz01
21 P42/INT3
22 P41/INT1
23 P40/INT0
24 P87/PWM0/FLD39
25 P86/RTP1/FLD38
26 P85/RTP0/FLD37
27 P84/FLD36
28 Vee
29 P83/FLD35
30 P82/FLD34
31 P81/FLD33
32 P80/FLD32
33 P37/FLD31
34 P36/FLD30
35 P35/FLD29
36 P34/FLD28
37 P33/FLD27
38 P32/FLD26
39 P31/FLD25
IC452 (LA2615 Suround Signal Processor)
I/O Function
I Volume
I Volume
AD
AD
I Protect
O Function control
O Power control
O Clock shift control output(bc-A=Low)
I Power failure detection (Power
Failure=L)/Micon power check(Down=L)
System reset terminal
Sub clock oscillating terminal
Sub clock oscillating terminal
Ground potential terminal
Main clock oscillating ceramic terminal
Main clock oscillating ceramic terminal
Plus power terminal
Ground control output for micon power check
O Mute Output(ON=H)
O Pull up control (ON=L)
I Option Select in
I Remote control input
I RDS data input
I/O Serial synchro input /output
I TU PLL DO
O TU PLL /RDS CLK
O TU PLL /RDS DATA
O TU PLL /RDS CE
FL Minus power terminal
O FL digit output(Pull Down R) SEL_12/24
O FL digit output(Pull Down R) SEL_RDS
O FL digit output(Pull Down R) SEL_RDSE
O FL digit output(Pull Down R) SEL_10KEY
O FL digit output SEL_FUNC
O FL digit output SEL_ECO
O FL digit output SEL_DPS
O FL digit output SEL_DIM
O FL digit output SEL_FUNC2
O FL digit output SEL_DISP
O FL digit output SEL_FUNC3
GCR GLR POG
P16 P15 P14
ANALOG
SURROUND
P1 P2 P3
CONT1 CONT2 CONT3
No. Pin Name
40 P30/FLD24
41 P17/FLD23
42 P16/FLD22
43 P15/FLD21
44 P14/FLD20
45 P13/FLD19
46 P12/FLD18
47 P11/FLD17
48 P10/FLD16
49 P07/FLD15
50 P06/FLD14
51 P05/FLD13
52 P04/FLD12
53 P03/FLD11
54 P02/FLD10
55 P01/FLD09
56 P00/FLD08
57 P27/FLD07
58 P26/FLD06
59 P25/FLD05
60 P24/FLD04
61 P23/FLD03
62 P22/FLD02
63 P21/FLD01
64 P20/Buz02/FLD00
65 P57/Srdy2/Sclk22
66 P56/Sclk21
67 P55/Txd
68 P54/Rxd
69 P53/Sclk12
70 P52/Sclk11
71 P51/Sout1
72 P50/Sin1
73 Avss
74 VREF
75 P65/Sstb1/AN11
76 P64/INT4/Sbusy1/AN10
77 P63/AN09
78 P62/AN08
79 P77/AN07
80 P76/AN06
LPFD NC VCC
P13 P12 P11
Vcc
ATT LEVEL
VREF
P4 P5 P6
GND HFFC VREF
- 17 -
I/O Function
O FL digit output
O FL segment output
O FL segment output
O FL segment output
O FL segment output
O FL segment output
O FL segment output
O FL segment output
O FL segment output
O FL segment output
O FL segment output
O FL segment output
O FL segment output
O FL segment output
O FL segment output
O FL segment output
O FL segment output
O FL segment output (Pull Down R)
O FL segment output (Pull Down R)
I MULTI
I MULTI
I BASS
I BASS
I TREBLE
I TREBLE
I/O Serial chip enable input/output
I/O Serial clock input/output
Out Serial DATA output
In Serial DATA input
I Headphone switch
O Bass control output (ON="H")
O Front speaker relay control(H=ON)
O Power control(Power ON=H)
A/D ground potential terminal
A/D standard sub potential terminal
O
O
O LC75385NE CE
O 3D srround control output
O 3D srround control output
O NC
L-OUT R-OUT
P10 P9
A
SW
B
ON/OFF
B
SW
A
P7 P8
L-IN R-IN